Specify the distance (mm) from the left edge of the printable area to the area where the printing starts on paper, within the range 0-100 mm in increments of 1 mm.
Note that there may be some discrepancy in the actual printing.
Printable area
Left Margin (leftspace)
When the "leftspace" printing option is specified, the actual margin is calculated by adding this value and the value specified for "leftspace".